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Old 30 May 2013, 08:55   #1
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Tow bar electrics

The brass colour connectors of my towbar electric connector get damp and a little rusty. Is it a good idea to cover them in grease? Does grease help or hinder electric current?
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Old 30 May 2013, 09:50   #2
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I always use Vaseline. I use to use DC4 but i think Vaseline is kinder to the Contacts
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Old 30 May 2013, 10:05   #3
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I've been using a thin smear of corrosion block grease on mine for a few years. No problems since I started doing that, even though the socket on the cars got accidentally submerged at least twice.
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Old 30 May 2013, 10:22   #4
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I fill mine up with WD40 at semi regular intervals, really hose it in till it runs out of the back of the socket as well. Never had any problems and no corrosion.
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Old 30 May 2013, 11:16   #5
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+1 for WD-40
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Old 30 May 2013, 11:45   #6
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I soak mine in WD40 every time I launch, the socket goes rite under the water every time I launch as I just reverse the car in and don't undo the trailer at all.
Been doing this on various different cars for over 20 years and never had a problem with the electrics at all, this car is now in its 4th year or being dunked in salt water and no problems.
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Old 30 May 2013, 13:13   #7
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Wow.

remind me never to buy one of your old cars!

+ another for WD40......
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Old 14 June 2013, 11:22   #8
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ACF50 is electrically conductive and sticks much better than WD40 IME.
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Old 14 June 2013, 13:18   #9
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I recently gave my socket and plug a dose of WD40, as soon as I used the indicators the ABS, VSC and brake warning lights came on, I took the plug apart, dried it and never had a problem since.

Coincidence? I doubt it.
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Old 14 June 2013, 16:37   #10
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Quote:
Originally Posted by Dry_Doc View Post
ACF50 is electrically conductive and sticks much better than WD40 IME.

Errrr isn't more conductive a bad thing?

WD40 displaces the dampness. Which is fine as long as you let it all evaporate off.....
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Old 14 June 2013, 19:29   #11
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WD40 is a no no on electrics ACF 50 all the way
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Old 15 June 2013, 14:08   #12
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Quote:
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Errrr isn't more conductive a bad thing?

WD40 displaces the dampness. Which is fine as long as you let it all evaporate off.....
Only if you're generous enough to get enough in there to short across the pins! Difficult on a towbar connector as they're shrouded from each other.

It forms a corrosion resistant barrier on the contacts (which is still electrically conductive) and this helps keep the connections sound.
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